How do I fix this error

[Maximum Gaming]

Module Create Failed - Service ID: 10 - Error: System.Exception: The billing API is disabled. at Web.GameHosting.billingapi.Page_Load (System.Object sender, System.EventArgs e) [0x00000] in :0

 

@WHMCS

[Jaggl]

you have to enable the billing api!

 

when you use V2: Gerneral Settings > Api Settings > Enable Api

[V4Ghost]

And ADD IP TO WHITELIST (IP:PORT) OF WEBHOSTING!!!!

[WickedGame]

yes^^ im having that issue some orders will go through and some wont, i just emailed godaddy to open the port 8880